Available in contact form 1A (normally open contact), the MK20 series comes in three operating sensitivities: class B (10-15 Ampere-turns (AT)); class C (15-20 AT), and Class D (20-25 AT). Model MK20/1 measures 10 mm by 3 mm, and offers zero to 10 watts (W) of related power and switching voltage of zero to 80 volts of direct current (VDC). Model MK20/2 measures 7.5 mm by 2.7 mm, with switching voltage of zero to 30 VDC.
The sensor is designed to be mounted on the fixed surface, with the actuating magnet on the moving surface. The MK20 series fully complies with the Restriction of Hazardous Substances (RoHS) directive.